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目的对1992年8月以来的78例经B超、IVU、CT等检查未能确诊的疾病进行检查，以明确诊断。方法应用Fr9－11．5WOLF型输尿管镜行经尿道输尿管镜检。结果有64例（82％）获得确诊。常见疾病为输尿管结石、息肉、息肉并结石、恶性肿瘤等。结论输尿管镜作为一种直观准确的检查手段，可提高输尿管疾病的诊断率。
Objective To investigate the diagnosis of 78 cases of unresectable diseases by ultrasound, IVU and CT since August 1992. Methods Fr9-11.5WOLF type ureteroscopy urethral ureteroscopy. Results 64 cases (82%) were diagnosed. Common diseases are ureteral stones, polyps, polyps and stones, malignant tumors. Conclusion Ureteroscopy as an intuitive and accurate examination can improve the diagnosis of ureteral diseases.